Personal and practice characteristics of respondents
| Variable | Number of respondents (% of total) |
| Training background | |
| Radiology | 56 (37.1) |
| Neurology | 41 (27.2) |
| Neurosurgery | 54 (35.8) |
| Gender | |
| Male | 130 (86.1) |
| Female | 21 (13.9) |
| Practice setting | |
| Academic with residents/fellows | 99 (66.0) |
| Academic without residents/fellows | 15 (10.0) |
| Private | 36 (24.0) |
| Years of independent practice | |
| Less than 5 years | 33 (22.2) |
| 5–9 years | 36 (24.2) |
| 10–19 years | 53 (35.6) |
| More than 20 years | 27 (18.1) |
| Hospital location | |
| Metropolitan area (population >1 million) | 83 (55.3) |
| Large city (population 500 K-1 million) | 31 (20.7) |
| Small–medium city (population 50 K-500K) | 32 (21.3) |
| Rural/community (population <50K) | 4 (2.7) |
| Hospital located in COVID-19 epicenter | |
| No | 77 (55.8) |
| Yes | 61 (44.2) |